Code Room ChangeLog

15.06.2026

• Introduction of new content categories such as KI-Coding, Schools, Universities, and Prompting Courses to better structure presented content
• Administration area: The Programming Language is now displayed at “Templates for Experimentation” and “Discover Categories” on the overview page
• The preview window for course series, templates, and content now also displays the respective Programming Language
• Code Editor exercise environment: Focus and cursor position are retained or restored after execution
• KI-Coding: further optimizations at PatchApplier
• Improved UserCode storage during client-side execution
• UI fixes for UserCode list and context menu
• Revision of the exercise environment start page with new layout, better course arrangement, and display of Projects including direct access
• Revision of the layout of the exercise environment course overview
• New archiving function for lesson templates and series: courses and series can be hidden without being deleted or their assignment terminated
• “Manage Exercise Area” now offers a preview of the student overview page and allows permanent sorting of released courses and series

08.06.2026

• User codes: Sorting now consistent by investment descending; improved display of investment date, file size, line width and  a. Metadata
• New context menu for history, sharing, and further actions
• Code Changes Window: new function “Show changes” in UserCodes displays differences to the previous version
• Extension: “Compare Individually” in User Codes enables comparison of any version of a user code
• KI-Coding: various optimizations at PatchApplier for more stable and precise application of changes
• BYOAI: KI-Routing now supports individual assignment of CodeRoom-KIs to specific tasks
• BYOAI: new Quick-Setting “Assign Own Model to All Routes” for fast complete configuration

02.06.2026

• KI-Coding: improvements Patch-Applier
• Practice Environment “HTML Mode”: better error handling at js errors, now with file/line/code marking and integration of error window with KI-help
• Practice Environment “Guidance Area toggle” is now synchronized with Splitter-Events

29.05.2026

• Introduction of BYOAI (Bring Your Own AI): institutions and authorized users can integrate their own KI-models, API-keys or compatible KI-endpoints for various KI-functions in CodeRoom
• Introduction of the new KI-Coding Module for targeted support with code changes, extensions and corrections directly within the practice environment
• Introduction of the extended KI-Help for context-related questions about tasks, code, error messages and selected code sections
• Introduction of a new User Code History: The creation of user code can now be tracked over several steps – especially helpful in KI-Coding, as prompts, changes and KI-change processes are transparently documented
• Introduction of a new Share Feature: Students can publish their code with one click as an immediately executable version on protolabor.com and share it with others – optionally also with assignment in public lists
• Extension of user codes with Project Support: Project items can now be stored, assigned, and further processed more differentiated
• New course approach AI Game Lab Coding with frameCraft: Especially in KI mode, learners can develop, continue working on, and share their own small games and interactive projects directly
• Correction in the exercise environment in project mode: cursor and scroll positions are now reliably restored when switching between files, even for newly created files
• Corrections in rpgDungeon in the area „Element Interaction“
• Correction in the administration overview „My Teaching Units“: group assignments are now reliably displayed

13.05.2026

• Code Editor Exercise Environment (Project Mode): cursor and scroll positions are saved when switching between files and initially correctly placed at the top
• Administration area Content Preview: now already displays established courses and course series and enables direct call for further group assignments
• Administration area „My Teaching Units“: new sorting by last execution as well as display of contents, users, number of executions, and other parameters for better overview
• Display of the number of contents, users, and executions in the administration overviews for teaching units and course series
• Output window (Files / Matplotlib) retains position on multiple runs
• Correction of course series assignment after subsequent group selection
• Correction of resize behavior FileTree in project mode
• Correction of rare distortions at initial display on first call

24.04.2026

• Flexibilization of output area in exercise environment (compact and project mode)
• Introduction of Plotly 3.4 for Python 3 including client-side rendering
• Switch from console_log / DevConsole to print / println / puts in many contents as well as in PlantUML code generators for higher compatibility at export
• Java: Redirecting java.util.Scanner and other classes to CodeRoom overrides for higher “out-of-the-box” compatibility
• Introduction of NetworkX and openpyxl for Python 3
• Expansion of Java libraries with JGraphT, Apache POI, Tablesaw, and XChart

16.04.2026

• UML code generation: Expansion in representing relationships
• Switching the prompt dialog (all languages): no longer modal to enable interaction with the output area during display of the input dialog
• Optimized initialization of exercise environment on first call

08.04.2026

• Expansion of Canvas console (right output area) with scroll function (mouse, touch, keyboard) with persistent output as well as decoding of HTML and special characters; additionally introduction of inline output for Ruby (print)
• Process execution overhaul for improved Java compatibility, particularly in the areas of input/output (IO) and stability
• Java: Improved display and assignment of error messages and exceptions
• Admin area – Overview: Introduction of a programming language selector for displaying “Try-out lesson templates”
• Course series content: Drag-and-drop function to move and adjust the order (optional)
• Error corrections in group assignment in course series

17.03.2026

• Introduction of AI mode and new courses with focus on prompting and AI-assisted work
• UI change to div-based structures in the admin area (home page, preview window, and other views)
• Overhaul and corrections for releasing course series and templates
• Error corrections for pygame rendering at scaled resolutions (especially on iPad devices)
• Introduction of upload functions for accompanying materials in course series and templates
• Introduction of a layout engine for print previews for course series and templates
• Integration of MathJax for displaying mathematical formulas
• Error corrections for pygame Rect attributes
• Bug fixes for importing content from projects (e.g. OOP in Python GK)
• Error corrections for restoring the splitter configuration in the exercise environment

19.01.2026

• Introduction of course series and preview image previews on the home page “Try-out lesson templates”
• New Course Series “Programming Discover – Linus Lag’s Adventure”
• New Course Series “Making Math Visible”
• Preview Images in Content, Template, Course Series and Other Overviews
• Bug Fix: No Duplicate Console Log Entries on Re-run
• New Hotkeys:
  • CTRL+Enter Executes Code
  • ALT+N Focuses the Editor
  • Support for iOS and Android
• Introduction of neoTerm – Module for Interactive Content
• Group Assignments in Course Series
• Optimizations to the Overview Page of the Practice Environment

27.12.2025

• Introduction of Multiple Group Assignment to Units
• Automatic Student-Course Assignment at:
  • New and Editing Courses
  • Manual Course Assignment
  • Import
  • SSO Login
  • SSO Import via Group Selection
• Registration Code Now Automatically Detects Carrier Licenses
• Login with VIDIS using Pre-generated Usage Licenses by Carriers
• rpgDungeon: Role-Playing Game Dungeon
  • Introduction of sag() for NPC Interactions
  • New End Conditions and Combination Configurations
  • Execute Button and Status Now Correctly Recognize Running Game Animations
  • Running Executions Can be Stopped with “Stop”
• “Compact Practice Environment”:
  • View of the solution and existing user codes is now displayed directly in the main editor
  • Changes are automatically saved before display

03.12.2025

• Introduction of lesson series for combining multiple lesson templates into a thematic course
• Introduction of the new programming language HTML
• Introduction of pygame-Wrapper for Python 2
• New layout in the course overview of the exercise environment
• Administration area: “Test instruction” and “Test template” now use a uniform environment

11.11.2025

• AI result check (Code evaluation)
  • Bugfix: Problem with display of “Let AI check result” in exercise environment at compact contents fixed
  • Notification of waiting time (frequent usage) is now automatically hidden after expiration
  • Introduction of downvote function for regenerating AI feedback
• Introduction of type filter for content (Compact, Project, UML, rpgDungeon) in setup overview, manage own contents and content selection
• Error correction at automatic content assignment when logging in via Eduplaces and VIDIS

03.11.2025

• Introduction of help function (?) top right in the exercise environment
• Optimization and expansion of existing help pages, especially for programming environment, administration overview, and test pages
• UI optimizations: adjusted font sizes, theme colors, and spacing for improved readability in learning and administration environments
• New button “Hide/Show instruction area” in the toolbar of the exercise environment for better use on tablets
• Improvements in the Administration section “Contents and Setup” (Initialization, Surface, Preview)
• Python: console_log() now supports multiple parameters

23.10.2025

• Revision “Contents and Setup” with Quick View new lesson templates and contents, Full-text Search, Preview, Test, Integration
• Revision Error Handling in Learning Environment
  • Better Debugging: previous outputs are now also displayed and executed when subsequent errors / Exceptions occur
  • Bugfix: Error display only in the error dialog window
  • Bugfix: Assignment of error line / File in Ruby at Compact and Project
  • Bugfix: Console Window displays outputs even after show() is called
• KI Analysis for Lesson Templates and Course Series with prompt-Templates for missing contents, sequence / structure and more
• div. Optimizations Content Management in Learning Units, Lesson Templates and Course Series
• Extensive additions to “Lesson Templates for Experimentation”
• Bugfix: Larger output area permanently on Tablets (100% instead of 75%)

30.09.2025

• Introduction of annual school licenses
• Introduction system-wide loading screen for better user experience
• Optimization OnBoarding with Eduplaces, VIDIS and Fobizz
• Restructuring “Introduction and Help”
• Introduction of various new tutorial videos

18.09.2025

• Touch interaction in the UML Designer improved: scrolling and zooming are now also smooth on iPad and Android
• Login over Eduplaces, VIDIS and Fobizz optimized for more stable and faster login
• Bug fixes in the AI assessment for more reliable feedback
• New cache in the UML-AI evaluation for faster re-evaluation of repeated tasks
• Code evaluation and error help switched to the powerful Mistral-AI
• When importing students, missing groups are now automatically created
• New filter option in the access list: quick overview by group in user management

12.09.2025

• Introduction of UML Designer for project content
• New prompt type “Modeling”
• Two demo templates for UML modeling in all languages
• Access list in user management with group assignment and initial password
• Optimizations for tablets: menu, splitter, and automatic keyboard display in code editor
• Display of user codes (per content) extended to 2000, sorted in descending order by newest entries
• Bug fix first call of demo templates in project and tutorial test
• Preview images for contents can be uploaded directly from the clipboard

11.07.2025

• Bug fixes code executors during execution of larger source codes and projects (new limit 100MB)
• div. Optimizations and bug fixes “Template preview tests with content type Project” (administrators and teachers)
• Optimizations “Task selection” when calling already worked on contents (all users)

08.07.2025

• Introduction “Try-out lesson plans” on Start page Admin area for quick insight and provision of existing content with 2 clicks
• Introduction “Is Permanent” in teaching units for permanently available content
• Introduction “Available to all” in teaching units for casual assignment to all learners
• Introduction “Solution code” in project mode as well as generation prompts (for the last task)
• Various improvements Generation prompts for Java and Ruby
• div. Improvements File Explorer in practice environment during project mode, including new context menu and auto-expand when creating folders/files
• Switch to category selection in teaching units, contents, and templates to dialog window at New/Edit

14.06.2025

• AI analysis of results: Final codes are checked against task statement (including hints)
• Assignment of new statuses to task statement in code history
• Improvements Project mode

06.06.2025

• Introduction prompt generation for flexible, AI-supported content generation without provider suggestions (replaces former Custom-GPTs)
• Introduction exam mode for time-limited teaching units
• Bug fixes “Adding new files to project” during manual content creation with project mode without .zip import
• Improvements Mask layout “Editing teaching units”

20.05.2025

• Release first version ShowCase / “Teaching ideas from practice”
• Release first rpgDungeon() content for sequential processing, loops, and algorithms

15.04.2025

• Completion of VIDIS integration with SSO via state portals
• Bug fixes for Eduplaces group import

01.04.2025

• First version of rpgDungeon() with level set and editor
• Implementation with background images, decorations, items, player, NPC, and end conditions
• Various bug fixes for content assignment, group imports, and more
• Renaming “Course types” to “Lesson templates”

01.03.2025

• Providing “Data export” for users to retrieve all stored data in the system
• Introduction of “User-entered data” for SSO with other providers
• Various corrections in preparations for VIDIS integration
• Switching KI-Help from StableCode 3b/AWS Ireland to Claude 3 Haiku/Claude API France

01.12.2024

• Introduction of system-wide, context-dependent help in the admin area
• Introduction of dynamic AV contract for all schools

15.10.2024

• First Eduplaces integration with SSO, registration, and group import

15.09.2024

• Introduction of “Project mode” for content with source code “Folder structure” in Java, Python, and Ruby
• Optimizations for dialog windows and user interactions for server-side languages

19.05.2024

• Integration of KI-Help in the exercise environment for students based on Stable-Code 3b

01.04.2024

• Introduction of CustomGPTs + result processing to “Generate content with AI” for Java, Python, and Ruby
• Standardization of CourseGroups and UserGroups
• Global assignment of groups in list views (diverse positions)

01.02.2024

• Introduction of Python 3 and Ruby 3 as new programming languages
• Balancing and dynamic configuration for Code Executors optimization

22.12.2023

• Introduction of Java 21 as a new programming language
• Deployment of the first version of Code Executor units for server-side code execution based on docker, Linux, JDK 21

11.10.2023

• Optimization of content and course management masks
• Various further improvements

01.08.2023

• UI / Overview mask switch with new header titles and images
• Global renaming of “Guides” to “Contents”

26.06.2023

• Introduction of new settings AutoUpdateCourseTypes and AutoUpdateCourseTypeCourses for
• Introduction of auto-syncing content in courses and course templates

25.05.2023

• Deployment of the first executable version of “CodeRoom Playground” under https://codefuntasia.coderoom.de

22.04.2023

• Introduction of school licenses
• Correction of Python graphics_draw_shape() errors
• Binding of Python input_keydown() event handler for runtime keyboard input queries

06.04.2023

• Binding of ChatGPT interface
  • Introduction of ChatGPT templates for generating guidance in course templates
  • Implementation of the ChatGPT template „General Exercise“
  • Implementation of the ChatGPT template „Graphic Drawing“
• Introduction of content with simplified language for beginners
  • All Python content now includes additional descriptions specifically optimized for younger students, language learners, or students with limited linguistic abilities
  • New option „Use simple language“ activated in user management to enable this feature
• Dynamic scaling of the output area
  • Automatic display optimization for iPads and devices with small screen sizes
  • Zooming on large screens
• Improvements to password changes for participants through setup
• Optimization of course overview in participant app
• Various improvements in the administration area

03.01.2023

• Integration and adjustments urllib.request Library in Python execution layer (skulpt) for external data access with GET+POST including authentication
• Integration json Library in Python execution layer for creating and processing JSON data
• Implementation and integration spreadsheet Library in Python execution layer for creating and editing calculation tables
• Implementation of 45- and 90-minute Python course series to advanced content such as
  • Data processing
  • Interface accesses
  • JSON creation and processing
  • Working with calculation tables including formatting and dynamic formulas
  • Data modeling, storage, and access to object databases
  • Setting up and data access on own object database including filters and paging
• Integration of work materials for course types of data processing

24.10.2022

• Implementation of 45- and 90-minute Python course series to basics and basic content
• Introduction of category descriptions for overview pages under “Discover contents” etc.
• Implementation and introduction of work materials (Powerpoint and assignment templates) for basic courses and basic content
• Integration of course materials into categories under “Discover content” etc.
• Switching user overviews in the administration area for better clarity
• Storage and display of initial passwords for new participants at registration
• Introduction of participant-based usage agreements

10.09.2022

• Extensions to course categories for integrating descriptions and links to additional learning materials
• Extensions to participant assignment in course management
  • Adding and assigning new participants
  • Quick input with automatic completion of participant details
• Various optimizations in content manager
• Index filter storage in courses and course categories

22.07.2022

• Optimization of user experience in overview masks through filter storage and restoration
  • Supported masks: Courses, tutorials, users

18.07.2022

• Improved integration of optional code snippets in editor (requires activation in user settings)
• Python binding in code release “external view”

15.07.2022

• Optimizations for Python execution
• Binding Ui-dialog windows under Python
• Introduction of multiple-choice dialog windows for Python relaunch of “AdventureWorks: First adventure”

09.07.2022

• Implementation of a standalone view for creating new courses with improved user guidance and list of existing courses
• Optimizations for course loading strategy in content manager

07.07.2022

• Introduction of Python support
• Error corrections for code execution
• Bug fixes SignalR status transmission
• Home environment: Login on Enter within username or password field
• Course implementation: Participant details are now always opened in the same tab
• Terms of use: Optimizations overview page and more

01.07.2022

• Optimizations and bug fixes SignalR connections in course implementation
• Course setup
  • Improved input mask with selection execution mode
  • New standard setting (-1) for automatic solution release
  • Start date must no longer be in the future
• Content manager: Deleting course types with associated courses requires a second confirmation
• Bug fix Code synchronization in participant area
• Further bug fixes participant area

29.06.2022

• Let’s get started
  • 12 new quick guides to introduce the most important system functions
• Various optimizations course implementation
  • Display online status of course leadership in implementation view
  • Improved Connect/Disconnect processing for participant environment
  • Multi-process hosting support for signalR hubs
• Further
  • Bug fixes “Feedback form setup view”
  • Deactivation of “Standard feedback form” in participant area

17.06.2022

• Time-limited: Free access to all content for newly registered institutions
• Various optimizations registration process
• Integration B2B AGB
• Introduction of 24-month license packages with attractive prices for small institutions
• div. bug fixes

02.06.2022

• Public launch www.coderoom.de

01.09.2021

• Public launch programmierschule.de

05.06.2020

• Completion of the “Rock Paper Scissors” course for the “Adventure-Works” course series

30.05.2020

• Integration of Heidelpay payment interface for institute payments
• Preparations and content for new introduction course series “Adventure-Works”

01.05.2020

• Introduction and maintenance of .net Core 3.0 signalR HubPortal
• Switching client-side communication to Azure SignalR Service
• Various preparations for switching to Azure AppService hosting

30.03.2019

• Update Froala Editor for content editing
• Switching content structure guide for institutions after Froala update
• Content “Introduction for Institutions”
• Bug fixes for institution categories

08.02.2019

• Correction of “User Codes save” after registration
• Introduction of password repetition during user and institute registration
• Correction of institute registration when entering founding date
• Switching login screen, explanations for registrations

20.01.2019

• Course creation
  • Select template: improved navigation in tree view
  • Default execution mode “Activation by course leadership”
  • Preselection of “existing copy” when selecting foreign course template again
• Course types: bug fix for changing index of guidance
• Improvement Booking Conclusion “Usage Agreement”
• Improvement “Discover Course Types”
  • Switch Copy Hint at “Copy Course and Content”
  • TreeParentNodes “Open with a Click”
• Further Implementation Doku “Let’s get started – Course Setup”

29.12.2018

• Various Improvements Institute Admin Overview
• diverse Optimizations “Course Setup”
• Introduction “Global Selection Window for Guides” for Courses and Course Types
• Switches Guide Management Courses and Course Types
• License Switch from Froala-Editor to SaaS

07.11.2018

• Preparations for Introduction “Let’s get started” in the Institute Area
• Adjustments Editor for Content Editing
• Switches Navimenu for Contents “Public Area” and “Institute Area”

21.10.2018

• Introduction Data Structures for Managing Usage Agreements, License Types, Payment Methods, and Payments
• Introduction Admin Tools to Usage Agreements, License Types, Payment Methods
• Institute Admin:
  • Switch Overview
    • Display Active Licenses and Available Courses per Month
    • Introduction Grid “Current Courses”
    • Introduction “Quick Navigation” to Tutorial, Course Setup etc.
  • Introduction CourseTypeExplorer “Discover Course Types”
  • Introduction Overview Usage Agreements
  • Introduction Booking Process for Usage Agreements
  • Introduction Invoice for Usage Agreements
  • Introduction Email Send on Booking Agreements
  • Switching Course Facility and Editing: Checking available courses per month
  • Introduction “Course Groups”
    • Managing “Course Groups” for Class Bundles
    • Courses can now be assigned to groups/classes
  • Switching Course Management
    • Introduction “Advanced Search Mask” for Courses, Factory Optimization
    • Switching “Load Strategy” for Result List depending on dynamic search mask
  • Various UI Improvements and Further Optimizations

03.05.2018

• Institutes: Implementation “Course Type Explorer” when creating new courses

29.04.2018

• Error Corrections “Your Codes”
  • Code Evaluation is no longer counted
  • Navigation elements in “Pro View”
• Corrections for Code Editor Scrollbars
• Internal Switching Order of Courses within a Course Type
• Introduction Sorting in Course Types
• Outsourcing “Advanced Exercises” to Numbers, Strings, and Arrays in own course series
• First Optimizations for Course Type “Arrays”

22.04.2018

• Completion of Course Type “Functions”

21.04.2018

• Cache Init on direct entry into content pages
• Code Execution
  • Saves Code now before execution
  • Introduction UserCode “Code Execution Successful”
• Layout Switching “Your Codes” in Execution Environment

17.03.2018

• Further Optimizations for Course Type “Functions” (incomplete)

09.03.2018

• Completion of Course Type “Loops”
• First Optimizations Course “Functions”

01.03.2018

• Optimizations Course “Loops” (incomplete)

22.02.2018

• Correction of CodeEvaluationService for certain exercises (e.g. introduction to conditional statements) in Firefox and Edge
• Adjustments code display in exercise area
• Exercise “Introduction to Turtle with Variables”
• Further Optimizations Course “Introduction to Loops” (incomplete)
• Reorganization Course “Introduction for Beginners”: Courses “Working with Numbers + string” now after Arrays

14.02.2018

• Completion of Course “Expressions and Conditional Statements”
• Start Optimization Course “Introduction to Loops”

10.02.2018

• Completion of Course “Variables and Data Types Introduction”
• Start merging and optimizing “Logical Expressions” and “Conditional Statements” (incomplete)
• Reorganization Course Order
  • 1. Variables + Data Types
  • 2. Conditional Statements
  • 3. Working with Numbers and Strings

03.02.2018

• Further Optimization of Course “Introduction to Variables and Data Types” (incomplete)

27.01.2018

• Introduction Change-Log
• Reorganization Beginner’s Course “Are you a programmer?”
  • Some instructions were removed
• Merging the courses “Displaying values (output) and user input” with “Introduction to Variables and Data Types”
  • necessary, as variables are already being worked with in dialog exercises
• Optimization Course “Introduction to Variables and Data Types” (incomplete)